File: Diagnostics\Configuration\ConfigureSeverity\VarForBuiltInTypesSeverityConfigurationTests.cs
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Project: src\src\Features\CSharpTest\Microsoft.CodeAnalysis.CSharp.Features.UnitTests.csproj (Microsoft.CodeAnalysis.CSharp.Features.UnitTests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using System;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeFixes.Configuration.ConfigureSeverity;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.Diagnostics.TypeStyle;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Editor.UnitTests.Diagnostics;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Diagnostics.Configuration.ConfigureSeverity;
 
public sealed class VarForBuiltInTypesSeverityConfigurationTests : AbstractSuppressionDiagnosticTest_NoEditor
{
    protected internal override string GetLanguage() => LanguageNames.CSharp;
 
    protected override ParseOptions GetScriptOptions() => Options.Regular;
 
    internal override Tuple<DiagnosticAnalyzer, IConfigurationFixProvider> CreateDiagnosticProviderAndFixer(Workspace workspace)
        => new(new CSharpUseImplicitTypeDiagnosticAnalyzer(), new ConfigureSeverityLevelCodeFixProvider());
 
    protected override int CodeActionIndex => 0;
 
    [Fact]
    public async Task MaintainValue()
    {
        // make sure we start with an existing value of csharp_style_var_for_built_in_types option
        // specified in the editorconfig that's different from the default value:
        Assert.False(CSharpCodeStyleOptions.VarForBuiltInTypes.DefaultValue.Value);
        Assert.Equal(NotificationOption2.Silent, CSharpCodeStyleOptions.VarForBuiltInTypes.DefaultValue.Notification);
 
        var input = """
            <Workspace>
                <Project Language="C#" AssemblyName="Assembly1" CommonReferences="true">
                    <Document FilePath="z:\\file.cs">
            [|int|] x = 1;
                    </Document>
                    <AnalyzerConfigDocument FilePath="z:\\.editorconfig">
            [*.cs]
            csharp_style_var_for_built_in_types = true:suggestion
            dotnet_diagnostic.IDE0007.severity = suggestion
            </AnalyzerConfigDocument>
                </Project>
            </Workspace>
            """;
 
        var expected = """
            <Workspace>
                <Project Language="C#" AssemblyName="Assembly1" CommonReferences="true">
                     <Document FilePath="z:\\file.cs">
            int x = 1;
                    </Document>
                    <AnalyzerConfigDocument FilePath="z:\\.editorconfig">
            [*.cs]
            csharp_style_var_for_built_in_types = true:none
            dotnet_diagnostic.IDE0007.severity = none
            </AnalyzerConfigDocument>
                </Project>
            </Workspace>
            """;
 
        await TestInRegularAndScriptAsync(input, expected, CodeActionIndex);
    }
}